Open-source package vulnerability · npm

CVE-2026-45353: Electerm Local code through electerm's single-instance socket

criticalCVSS 4.0 9.3 · 3.1 7.8GHSA-7p5m-v798-f8vv

Impact Local code execution without UI interaction: any same-user process can send a JSON payload to electerm's single-instance socket/pipe, causing the app to create tabs and potentially spawn attacker-controlled local processes. Affects electerm single-instance installs on the machine.

Published May 14, 2026 · Updated Jul 6, 2026

Affected packages

electerm

Ecosystem: npm
Affected: >= 3.0.6, <= 3.8.8
Fixed in: 3.9.0
Check: npm ls electerm

Advisory details

From the GitHub Advisory Database (CC BY 4.0).

Impact

_Local code execution without UI interaction: any same-user process can send a JSON payload to electerm's single-instance socket/pipe, causing the app to create tabs and potentially spawn attacker-controlled local processes. Affects electerm single-instance installs on the machine._

Patches

https://github.com/electerm/electerm/commit/0599e67069b00e376a2e962649aaad6096e63507

Workarounds

Do not run unsafe command

References

Report / credit: https://github.com/Curly-Haired-Baboon
Electerm releases: https://github.com/electerm/electerm/releases

Credited to amwhoi, cookesan.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

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